Department of Chemistry
University of Texas, Austin
Austin, Tex.

" Host-guest chemistry is an important vehicle for characterizing the factors involved as molecules react. Two recently published Nobel lectures presents fascinating overview that takes the reader from Pedersen’s original discovery of macrocyclic ethers through the preorganization and structural recognition in Cram’s early studies to more recent uses of hosts as enzyme mimics and synthetic molecular vessels.

D.J. Cram, ‘The design of molecular hosts, guests, and their complexes,” Angewandte Chemie, International Edition, 27 (8), 1009-20, August 1988.

C.J. Pedersen, “The discovery of crown ethers,” Angewandte Chemie, International Edition, 27 (8), 1021-8. August 1988.

" Acid rain, tropospheric ozone depletion, and forest damage represent significant environmental problems. A recent article summarizes elementary chemical processes involved in the generation of oxidants under wet and dry conditions; it also provides a summary of mathematical modelling...

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